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b. Stitching
When the center of the paper stack (stitching position) reaches the
stapler's staple position, the stapler stitches the paper stack.
When only one sheet is fed from the host machine, the next step
(stack feed) is performed without performing the stitching opera-
tion.
Staple
Stapler (lower)
c. Stack feed
The stack feed rollers feed the paper stack to the stack folding/
delivery position where the center of the stack (stitched position) is
level with the paper pushing plate and paper folding roller's nip part.
Stack feed roller (lower)
Paper fold roller
d. Folding/delivery
The paper pushing plate pushes in the center of the paper stack to
feed it toward the paper fold rollers. Then, the paper fold rollers and
bind delivery rollers deliver the paper stack to the bind tray.
Bind delivery rollers
Stapler (upper)
Stack feed roller (upper)
Paper pushing plate
Paper fold rollers
MX-FNX2/AR-PN1/MX-RBX1 OPERATIONAL DESCRIPTION 5 – 11
C. Paper Feed System
(1) Outline
The paper feed system feeds a stack of sheets (coming from the
finisher) to the position where the center of the paper stack (stitch-
ing position) is aligned to the stapler's staple, allowing the next step
(stitching and folding) to be performed.
When sheets of paper have been stacked and aligned on the pro-
cessing tray, the paddle motor (FPM) rotates in the reverse direc-
tion, causing the swing guide to descend. As the swing guide
descends, the paper stack is sandwiched between the upper and
lower stack delivery rollers. The stack delivery motor (FAM) rotates
in the reverse direction, feeding the paper stack toward the saddle
unit. When the leading edge of the paper stack reaches the binding
position sensor (FFPD), the finisher controller PCB drives the stack
delivery motor (FAM) a specified number of motor pulses to stop
the center of the paper stack (stitching position) at the stapler's sta-
ple position. Before the paper stack passes through the stack feed
rollers, the feed motor (FFM) is driven to rotate the stack feed roller
(lower) so that the leading edge of the paper stack is not bent.
Stack delivery roller (upper)
Paper stack
Stack delivery roller
(lower)
D. Stack Feed System
(1) Outline
The stack feed system feeds the stitched paper stack to the folding
position.
When stitching is complete, the feed motor (FFM) rotates, causing
the stack feed roller (upper) to descend. The paper stack is sand-
wiched between the stack feed rollers. Then, the bind clutch (FFC)
is turned ON to rotate the feed motor (FFM) in the forward direc-
tion, thus feeding the paper stack to the folding position. The feed
amount is equivalent to the number of pulses used to drive the feed
motor (FFM) until the paper stack reaches the folding position.
Stack feed roller (lower)
Fold position sensor
Stack feed roller (lower)
Stack feed roller (upper)
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